Home / 131,584.59-181,577.30-74,225.79

Finding the Fourth Proportional to 131,584.59, 181,577.30 and 74,225.79

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Solution

The fourth proportional to 131,584.59, 181,577.30 and 74,225.79 is: 102,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,584.59 : 181,577.30 = 74,225.79 : x
  2. Step 2: Convert to fraction form
    131,584.59/181,577.30 = 74,225.79/x
  3. Step 3: Cross multiply
    131,584.59x = 181,577.30 × 74,225.79
  4. Step 4: Simplify right side
    131,584.59x = 13,477,718,167.44
  5. Step 5: Solve for x
    x = 13,477,718,167.44/131,584.59
  6. Step 6: Final answer
    x = 102,426.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.